/*
 * Copyright (c) 2004-2022, University of Oslo
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * Neither the name of the HISP project nor the names of its contributors may
 * be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.hisp.dhis.security.authority;

import java.util.Collection;
import java.util.HashSet;
import java.util.Set;

import org.hisp.dhis.security.SystemAuthoritiesProvider;
import org.hisp.dhis.webportal.module.Module;
import org.hisp.dhis.webportal.module.ModuleManager;

/**
 * @author Torgeir Lorange Ostby
 * @version $Id: ModuleSystemAuthoritiesProvider.java 3160 2007-03-24 20:15:06Z
 *          torgeilo $
 */
public class ModuleSystemAuthoritiesProvider
    implements SystemAuthoritiesProvider
{
    // -------------------------------------------------------------------------
    // Configuration
    // -------------------------------------------------------------------------

    private String authorityPrefix;

    public void setAuthorityPrefix( String authorityPrefix )
    {
        this.authorityPrefix = authorityPrefix;
    }

    private Set<String> excludes = new HashSet<>();

    public void setExcludes( Set<String> exclues )
    {
        this.excludes = exclues;
    }

    // -------------------------------------------------------------------------
    // Dependencies
    // -------------------------------------------------------------------------

    private ModuleManager moduleManager;

    public void setModuleManager( ModuleManager moduleManager )
    {
        this.moduleManager = moduleManager;
    }

    // -------------------------------------------------------------------------
    // SystemAuthoritiesProvider implementation
    // -------------------------------------------------------------------------

    @Override
    public Collection<String> getSystemAuthorities()
    {
        Set<String> authorities = new HashSet<>();

        for ( Module module : moduleManager.getAllModules() )
        {
            if ( !excludes.contains( module.getName() ) )
            {
                authorities.add( authorityPrefix + module.getName() );
            }
        }

        return authorities;
    }
}
